alacritty/alacritty_terminal/tests/ref/region_scroll_down/config.json at 0fd04c371a5d3fcd7cd9cf65a247fa16df0f0b5f - PolytreeDE/alacritty - Forgejo by Causa Arcana

PolytreeDE/alacritty

mirror of https://github.com/alacritty/alacritty.git synced 2024-11-11 13:51:01 -05:00

Christian Duerr 6c8966f426

Fix scroll down escape pulling lines from history

This works around a bug where the optimized version of the
`Grid::scroll_down` function would just rotate the entire grid down if
the scrolling region starts at the top of the screen, even if there is
history available.

Since rotations of scrolling regions should not affect the scrollback
history, this optimized version is now only called when the max
scrollback size is 0, making it impossible for the grid to have any
history while it is used.

Since the main usecase of this is the alternate screen buffer, which
never has any history, the performance should not be affected negatively
by this change.

Fixes #3582.

2020-06-25 09:50:17 +00:00

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{"history_size":10}